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netfilter: uapi: Avoid undefined left-shift in xt_sctp.h
authorPhil Sutter <phil@nwl.cc>
Thu, 5 Dec 2019 12:35:11 +0000 (13:35 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 12 Jan 2020 11:17:08 +0000 (12:17 +0100)
commit962debec83130003e1a156cd1475844fc248578c
tree894363e787537b6f0a028dc1c554108f4e2c9175tree | snapshot
parent829fde079bd99fc03bacb0c3b98cf27b43799a67commit | diff
netfilter: uapi: Avoid undefined left-shift in xt_sctp.h

[ Upstream commit 164166558aacea01b99c8c8ffb710d930405ba69 ]

With 'bytes(__u32)' being 32, a left-shift of 31 may happen which is
undefined for the signed 32-bit value 1. Avoid this by declaring 1 as
unsigned.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
include/uapi/linux/netfilter/xt_sctp.h diff | blob | history
Domain: System / Kernel;